Alarm Indications - Control Techniques UNIDRIVE SP1201 Guía Rápida

Safety Product Mechanical
Information Information Installation
Trip
Unid.P Power module unidentified trip
Check all interconnecting cables between power modules
110
Ensure cables are routed away from electrical noise sources
UP ACC Onboard PLC program: cannot access Onboard PLC program file on drive
Disable drive - write access is not allowed when the drive is enabled
98
Another source is already accessing Onboard PLC program - retry once other action is complete
UP div0 Onboard PLC program attempted divide by zero
90 Check program
Onboard PLC program variables and function block calls using more than the allowed RAM
UP OFL
space (stack overflow)
95 Check program
UP ovr Onboard PLC program attempted out of range parameter write
94 Check program
UP PAr Onboard PLC program attempted access to a non-existent parameter
91 Check program
UP ro Onboard PLC program attempted write to a read-only parameter
92 Check program
UP So Onboard PLC program attempted read of a write-only parameter
93 Check program
UP udf Onboard PLC program un-defined trip
97 Check program
UP uSEr Onboard PLC program requested a trip
96 Check program
UV DC bus under voltage threshold reached
Check AC supply voltage level
1
Drive voltage rating (Vac)

Alarm indications

In any mode an alarm flashes alternately with the data displayed on the 2
one of the following conditions occur. If action is not taken to eliminate the all alarms
except "Autotune" the drive may eventually trip.
Table 9-2 Alarm indications
Lower display
br.rS Braking resistor overload
2
Braking resistor I t accumulator (Pr 10.37) in the drive has reached 75.0% of the value at which the drive will trip
and the braking IGBT is active.
Hot Heatsink or control board or inverter IGBT over temperature alarms are active
• The drive heatsink temperature has reached a threshold and the drive will trip 'Oh2' if the temperature
continues to rise (see the 'Oh2' trip).
Or
• The ambient temperature around the control PCB is approaching the over temperature threshold (see the
'O.CtL' trip).
OVLd Motor overload
2
The motor I t accumulator in the drive has reached 75% of the value at which the drive will be tripped and the
load on the drive is >100%
Unidrive SP Short Form Guide
Issue Number: 1
Electrical Getting
Menu 0
Installation Started
Under voltage threshold (Vdc)
200
400
575
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Running Advanced
Diagnostics
the motor parameters
Diagnosis
175
350
435
Description
UL Listing
Appendix
Information
nd
row when
51